I have a Vizio M502I-B1, turns on, works great for about 15 minutes, then the screen freezes. Sometimes, it will automatically power off and back on after the screen freezes. The audio always continues. Powering the TV off and back on solves this issue temporarily for about 5-10 minutes, then...
Just purchased a Samsung HT-c650w Surround Sound System. I honestly, do not know which one it is, could be a 5500 or something, the guy I bought it from told me he thought it was from the 650 series or something. Anyhow, the receiver, it has this written on the back ah63-02058u. It does look...
Another option, is download the Bios firmware here: http://www.asus.com/Notebooks_Ultrabooks/X502CA/HelpDesk_Download/
Save it to a USB
Go into Bios and update it to 209, than, after restart, go to boot and there will be an option for add new boot option.